Robert Salesses will serve as the acting defense secretart until President Donald Trump's nominee, Pete Hegseth, gets confirmed by the Senate.

Robert Salesses is a retired Marine who served in the Gulf War and has been deputy director of the Pentagon’s Washington Headquarters Service.

A cloud of controversy has hung over Hegseth, but he now appears to be on track to be confirmed as Trump's defense secretary.

Salesses as the acting secretary of Defense while President Trump’s nominee Pete Hegseth awaits Senate confirmation. Salesses was sworn in just after noon, according to a Defense official. NBC News first reported on his swearing-in.

Donald Trump’s cabinet picks are beginning their nomination process this week, starting with Trump’s choice for defense secretary, Pete Hegseth.

Pete Hegseth, President-elect Donald Trump’s pick for defense secretary, has publicly faced senators for the first time.

WASHINGTON (AP) — Pete Hegseth tried to convince members of the Senate Armed Services Committee on Tuesday that he should be the next secretary of defense, as lawmakers peppered him with ...

Pete Hegseth, President-elect Donald Trump’s pick for defense secretary, faced scrutiny over his level of experience and personal conduct in a

Pete Hegseth, President-elect Trump's nominee for secretary of defense, goes before the Senate Armed Services Committee next week.

Defense Secretary-designate Pete Hegseth confidently asserted his fitness for the job Tuesday while being grilled by Senate Democrats about allegations of mismanagement, binge drinking and sexual misconduct.

Spotted in the crowd were Sean Parnell, a former Army Ranger and conservative media personality, and Tim Kennedy, an ex-UFC fighter and former Green Beret. The group, which was buzzing with excitement ahead of the hearing, appeared to cheer for Hegseth and shout "USA!" as the hearing got underway.

President Donald Trump has named an acting defence secretary because his choice to lead the Pentagon, Pete Hegseth, has not yet been confirmed by the Senate.